<%@page import="java.util.Map.Entry"%>
<%@page import="java.util.Set"%>
<%@page import="java.util.Properties"%>
<html>
<body>
<pre>
<%
Properties props = System.getProperties();
Set<Entry<Object, Object>> entrys =  props.entrySet();
for(Entry<Object, Object> entry : entrys) {
    out.write(entry.getKey() + "=" + entry.getValue() + "\n");
}
%>
</pre>
</body>
</html>
